The central distribution of intradental afferent nerve fibers was investigated by combining electron microscopic observations with a selective method for inducing degeneration of the A delta- and C-type afferent fibers. Degenerating terminals were found on the proprioceptive mesencephalic trigeminal neurons and on dendrites in the neuropil of the trigeminal motor nucleus after application of capsaicin to the rat's lower incisor tooth pulp. The results give anatomical evidence of new sites of central projection of intradental A delta- and C-type fibers whereby the nociceptive information from the tooth pulp can affect jaw muscle activity.

Central distribution of nociceptive intradental afferent nerve fibers in the rat.

BOMBARDI, CRISTIANO;CHIOCCHETTI, ROBERTO;GRANDIS, ANNAMARIA;LUCCHI, MARIA LUISA;
2006

Abstract

The central distribution of intradental afferent nerve fibers was investigated by combining electron microscopic observations with a selective method for inducing degeneration of the A delta- and C-type afferent fibers. Degenerating terminals were found on the proprioceptive mesencephalic trigeminal neurons and on dendrites in the neuropil of the trigeminal motor nucleus after application of capsaicin to the rat's lower incisor tooth pulp. The results give anatomical evidence of new sites of central projection of intradental A delta- and C-type fibers whereby the nociceptive information from the tooth pulp can affect jaw muscle activity.
2006
Bombardi C.; Chiocchetti R.; Brunetti O.; Grandis A.; Lucchi M.L.; Bortolami R.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/33279
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